Warm water 30g(ml) dry yeast 4.2g high-gluten flour 280g butter 25g sugar 25.5g skim milk 12g salt 5g stir eggs 25g warm water 140g(ml) ** The temperature of warm water is 35-40 degrees.

Use 30g warm water instead of cold water to melt all yeast.

Add 25g eggs and warm water 120g, and add water without eggs 140g.